定义 中文名称： 分级选路网 英文名称： hierarchical routing network 定义： 按大区、省、地(市)、县的次序分区，并按“直达路由-迂回路由-基干路由”顺序选路的原则建立的电路交换分级网。 应用学科： 通信科技（一级学科）； 基于
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dynamically hierarchical network routing 动态分级网络路由选择
ASTR belongs to hierarchical routing protocol: it divides the whole network into many subareas logically through establishing subarea trees and each subarea is composed of a tree.
ASTR属于分级路由协议，通过建立分区树，在逻辑上将网络划分为多个分区，每个分区由一棵树组成。
As many routing protocols for wireless sensor network can't handle dynamic topological variation efficiently, a new hierarchical routing protocol (TVHRP) based on the shortest path is proposed.
针对多数无线传感器网络路由协议不能高效应对网络拓扑结构动态变化的问题，本文提出了一种基于最短路径的层次路由协议TVHRP。
Dynamic routing technology of circuit-switched network is critical to bring non-hierarchical network into full services and improve the grade of service eventually.
无级电话网动态路由技术是充分利用现有设备、提高服务质量的关键技术。
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